package com.kotlin.day01;

import org.junit.Test

class Test01HelloWord {
    @Test
    fun test01() {
        var str: String = "hello word";
        println(str)
        var i = 5;
        println(i)
        val high = 1.75f;
        println(high)
        i = 6;
        println(i)
        //high = 1.8f; //val是只读变量，不能修改

    }
}